SECTION 9-HEATING & COOLING JAYCO TOWABLE
AIR CONDITIONER
Roof Mount (If So Equipped)
The roof mounted air conditioning system is controlled by a thermostat. Cooled air enters
the RV through the adjustable “chill grill.” Make sure you have sufficient power available
before operating the air conditioner. Do not operate the air conditioner without the return
air filter. Operating the system without the filter allows the lint and dirt that is normally
stopped by the filter to accumulate on the cooling coil of the air conditioner. This also will
lead to a loss of air volume, possible equipment damage and an expensive cleaning
process.
A special foam gasket is placed between the roof material and the subframe of the air
conditioner to guard against water leakage. The air conditioner is subjected to wind
pressures along with motor vibration during normal operation.
Inspect the mounting bolts for tightness to ensure there is no leakage or looseness at least
annually. Re-tighten bolts when they are loose.
DO NOT over tighten these bolts as it may damage this gasket. The air conditioner gasket
is a wearable part that eventually will need to be replaced. To gain access to the bolts,
remove the filtered panel cover on central air systems or the entire air box on non-central
air conditioners. Consult the manufacturer’s operators manual or your RV dealer for more
information.
For additional information refer to the manufacturer’s owner’s manual included in your
warranty packet.
Wall Mount (If So Equipped)
The wall mounted air conditioning system is controlled by a thermostat. Cooled air enters
the RV through the grill. Make sure you have sufficient power available before operating
the air conditioner. Do not operate the air conditioner without the return air filter.
Operating the system without the filter allows the lint and dirt that is normally stopped by
the filter to accumulate on the cooling coil of the air conditioner. This will lead to a loss of
air volume, along with possible machine failure. Keep the air inlet grill and cabinet clean
by wiping with a cloth dampened with warm water and a mild detergent.
For additional information refer to the manufacturer’s owner’s manual included in your
warranty packet.
POWER ROOF VENT (IF SO EQUIPPED)
The 12-volt DC powered roof vent allows fresh air to circulate through the RV.
Do not leave the roof vent open when the RV is stored or unattended for long periods.
High winds, other unusual conditions or obstructions may prevent the dome from closing;
the resulting leakage could cause non-warrantable damage.
DUCTING & RETURN AIR
All heat discharges, registers and return air grills must be free and clear of obstructions.
This includes all closeable registers that are intended to reduce airflow, do not shut it off
completely.
THERMOSTAT
There may be up to two 12-volt DC thermostats in your motor home. Use the controls to
set the temperature to your comfort setting.
9-1
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